20292870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:937

約数の個数: 64

約数和(自身を含む): 53371584

約数和(自身を除く): 33078714

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 853, 915, 1586, 1706, 1830, 2379, 2559, 3965, 4265, 4758, 5118, 7930, 8530, 11089, 11895, 12795, 22178, 23790, 25590, 33267, 52033, 55445, 66534, 104066, 110890, 156099, 166335, 260165, 312198, 332670, 520330, 676429, 780495, 1352858, 1560990, 2029287, 3382145, 4058574, 6764290, 10146435, 20292870]

約数ペア:

[(1, 20292870), (2, 10146435), (3, 6764290), (5, 4058574), (6, 3382145), (10, 2029287), (13, 1560990), (15, 1352858), (26, 780495), (30, 676429), (39, 520330), (61, 332670), (65, 312198), (78, 260165), (122, 166335), (130, 156099), (183, 110890), (195, 104066), (305, 66534), (366, 55445), (390, 52033), (610, 33267), (793, 25590), (853, 23790), (915, 22178), (1586, 12795), (1706, 11895), (1830, 11089), (2379, 8530), (2559, 7930), (3965, 5118), (4265, 4758)]